1.

Out of 3d and 4s, which has more (n + l) value? Explain.

Answer»

1) 3d 

⇒ n + l 

⇒ 3 + 2 

⇒ 5 (energy) 4s

⇒ n + l 

⇒ 4 + 0 

⇒ 4 (energy) 

2) Hence, ‘3d’ has more (n + l) value than ‘4s’.



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